SE7703674L - Hydrauliskt sekerhetssystem - Google Patents

Hydrauliskt sekerhetssystem

Info

Publication number
SE7703674L
SE7703674L SE7703674A SE7703674A SE7703674L SE 7703674 L SE7703674 L SE 7703674L SE 7703674 A SE7703674 A SE 7703674A SE 7703674 A SE7703674 A SE 7703674A SE 7703674 L SE7703674 L SE 7703674L
Authority
SE
Sweden
Prior art keywords
hydraulic
valve
pressure
security system
loss
Prior art date
Application number
SE7703674A
Other languages
Unknown language ( )
English (en)
Inventor
D J Parquet
C O Pedersen
Original Assignee
Case Co J I
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Case Co J I filed Critical Case Co J I
Publication of SE7703674L publication Critical patent/SE7703674L/sv

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B13/00—Details of servomotor systems ; Valves for servomotor systems
    • F15B13/01—Locking-valves or other detent i.e. load-holding devices
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/7722—Line condition change responsive valves
    • Y10T137/7723—Safety cut-off requiring reset
    • Y10T137/7726—Responsive to change in rate of flow
    • Y10T137/7727—Excessive flow cut-off
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/7722—Line condition change responsive valves
    • Y10T137/7781—With separate connected fluid reactor surface
    • Y10T137/7784—Responsive to change in rate of fluid flow
    • Y10T137/7785—Valve closes in response to excessive flow

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Fluid-Pressure Circuits (AREA)
SE7703674A 1976-03-31 1977-03-30 Hydrauliskt sekerhetssystem SE7703674L (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/672,133 US4063489A (en) 1976-03-31 1976-03-31 Automatic hydraulic shut-off system

Publications (1)

Publication Number Publication Date
SE7703674L true SE7703674L (sv) 1977-10-01

Family

ID=24697289

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7703674A SE7703674L (sv) 1976-03-31 1977-03-30 Hydrauliskt sekerhetssystem

Country Status (4)

Country Link
US (1) US4063489A (sv)
CA (1) CA1030844A (sv)
DE (1) DE2713838A1 (sv)
SE (1) SE7703674L (sv)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4282797A (en) * 1977-02-09 1981-08-11 J. I. Case Company Protective fluid system
US4278011A (en) * 1977-06-06 1981-07-14 J. I. Case Company Automatic hydraulic shut-off system
US4286502A (en) * 1979-10-15 1981-09-01 Caterpillar Tractor Co. Hydraulic load lifting system with automatic blocking valve
WO1982001749A1 (en) * 1980-11-17 1982-05-27 Shore Daniel B Load supporting hydraulic circuit with emergency automatic load restraint
US4417502A (en) * 1980-11-17 1983-11-29 Dresser Industries, Inc. Load supporting hydraulic circuit with emergency automatic load restraint
US4359931A (en) * 1981-01-19 1982-11-23 The Warner & Swasey Company Regenerative and anticavitation hydraulic system for an excavator
US4522109A (en) * 1983-11-21 1985-06-11 J. I. Case Company Leak-detecting hydraulic system
IT1198860B (it) * 1984-06-08 1988-12-21 Mario Gonzi Dispositivo intecettore di microtrafilamenti,per evitare e/o segnalare perdite d'olio in impianti idraulici e per impieghi equivalenti
DE4404224A1 (de) * 1994-02-10 1995-08-17 Danfoss As Hydraulische Funktionseinheit
US6631880B2 (en) * 2001-04-11 2003-10-14 Leroy J. Kandel Preventative stop valve system and method
US20090107563A1 (en) * 2005-09-06 2009-04-30 Donald Gary Eichler Safety valve having piston with modified orifice
US11259463B1 (en) 2018-10-04 2022-03-01 Harper Industries, Inc. Slope mower with automatic leveling suspension and system for maintaining vertical orientation of mower body

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US740882A (en) * 1902-12-19 1903-10-06 Locke Regulator Company Combined hand and automatic shut-off valve.
US820598A (en) * 1905-06-20 1906-05-15 Henry A F Petersen Valve.
US2012351A (en) * 1932-07-28 1935-08-27 Phillips Petroleum Company Of Pipe line
US2266533A (en) * 1939-03-02 1941-12-16 Morgan Smith S Co Fluid control means
US2694408A (en) * 1952-08-16 1954-11-16 Fred W Mcrae Valve control mechanism
US2964016A (en) * 1956-10-23 1960-12-13 Case Co J I Control for hydraulic power lifts
US3695094A (en) * 1970-07-16 1972-10-03 Halliburton Co Leak detection method and system
US3880181A (en) * 1973-05-03 1975-04-29 Finn Feroy Hydraulic control system

Also Published As

Publication number Publication date
US4063489A (en) 1977-12-20
CA1030844A (en) 1978-05-09
DE2713838A1 (de) 1977-10-13

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